骨骼肌纤维收缩时,肌节的变化是().A、A带和H带缩短 B、A带缩短 C、I带和H带 发布时间:2019-12-26 19:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 骨骼肌纤维收缩时,肌节的变化是().A、A带和H带缩短B、A带缩短C、I带和H带缩短D、A带、I带和H带均缩短
题型:单项选择题 Bill should because he is very thirsty.[ ]A. go to bed B. eat food C. drink water D. have a rest 查看答案